﻿using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class ScriptPlay : MonoBehaviour
{
    // Start is called before the first frame update
    //声明一个精灵的集合
    public Sprite[] sprites;
    //精灵的播放速度
    public float speed = 0.016f;
    //用一个时间来记录
    public float time;
    //整数型记录当前播放第几针了
    int curindex;
    // Start is called before the first frame update
    void Start()
    {
          
    }

    // Update is called once per frame
    void Update()
    {
        if (speed > 0)
        {
            time += Time.deltaTime;
            int i = (int)(time / speed);
            //计算当前播放多少帧了,如果当前的帧和上一针的不等的情况下，更新当前的精灵
            if (i != curindex)
            {
                if (i < sprites.Length)
                {
                    //更新当前帧
                    curindex = i;
                    //获取当前的精灵呈现器
                    SpriteRenderer sr = GetComponent<SpriteRenderer>();
                    if (sr != null)
                    {
                        sr.sprite = sprites[curindex];
                    }
                }
                //如果播放完毕就把预制销毁
                else
                {
                    Destroy(gameObject);
                }
            }
        }
    }
}
